Home / 7,771,799.20-11,649,145.20-2,720,509.60

Finding the Fourth Proportional to 7,771,799.20, 11,649,145.20 and 2,720,509.60

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Solution

The fourth proportional to 7,771,799.20, 11,649,145.20 and 2,720,509.60 is: 4,077,770.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,771,799.20 : 11,649,145.20 = 2,720,509.60 : x
  2. Step 2: Convert to fraction form
    7,771,799.20/11,649,145.20 = 2,720,509.60/x
  3. Step 3: Cross multiply
    7,771,799.20x = 11,649,145.20 × 2,720,509.60
  4. Step 4: Simplify right side
    7,771,799.20x = 31,691,611,348,393.92
  5. Step 5: Solve for x
    x = 31,691,611,348,393.92/7,771,799.20
  6. Step 6: Final answer
    x = 4,077,770.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.